<?php

/**
 * Manage static content
 * ex: about us, contact us...
 */
class PostController extends Controller {

    public $activeMenu = 'cms';

    public function __construct($id, $module = null) {
        parent::__construct($id, $module);


    }

    /**
     * Creates a new model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     * @param string $post_type
     */
    public function actionCreate() {
        //check the support post type
        if(!isset($_GET['post_type']) || !$this->module->isAllowPostType($_GET['post_type'])){
            //redirect to default
            user()->setFlash('error', 'Post type was not support');
            $this->redirect(array('default/index'));
        }

        $model = new Post;
        $model->post_type = $_GET['post_type'];

        // Uncomment the following line if AJAX validation is needed
        $this->performAjaxValidation($model);

        if (isset($_POST['Post'])) {
            $model->attributes = $_POST['Post'];

            //check images
            if(isset($_POST['image'])){
                //add to images attribute
                $images = array();
                foreach($_POST['image'] as $image){
                    //replace left with upload folder
                    array_push($images, ltrim($image, UPLOAD_URL));
                }

                $model->images = CJSON::encode($images);
            }

            if ($model->save()){
                user()->setFlash('success', 'Post has been created successfully.');

                $this->redirect(array('update', 'id' => $model->post_id));
            }
        }

        $this->render('create', array(
            'model' => $model,
        ));
    }

    /**
     * Updates a particular model.
     * If update is successful, the browser will be redirected to the 'view' page.
     * @param integer $id the ID of the model to be updated
     */
    public function actionUpdate($id) {
        $model = $this->loadModel($id);

        // Uncomment the following line if AJAX validation is needed
         $this->performAjaxValidation($model);

        if (isset($_POST['Post'])) {
            $model->attributes = $_POST['Post'];

            //check images
            if(isset($_POST['image'])){
                //add to images attribute
                $images = array();
                foreach($_POST['image'] as $image){
                    //replace left with upload folder
                    array_push($images, ltrim($image, UPLOAD_URL));
                }

                $model->images = CJSON::encode($images);
            }

            if ($model->save()){
                user()->setFlash('success', 'Post has been updated');
            }else{
                user()->setFlash('error', 'Post saved error. Please try again');
            }
        }

        $this->render('update', array(
            'model' => $model,
        ));
    }

    /**
     * Deletes a particular model.
     * If deletion is successful, the browser will be redirected to the 'admin' page.
     * @param integer $id the ID of the model to be deleted
     */
    public function actionDelete($id) {
        if (Yii::app()->request->isPostRequest) {
            // we only allow deletion via POST request
            $this->loadModel($id)->delete();

            // if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
            if (!isset($_GET['ajax']))
                $this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
        }
        else
            throw new CHttpException(400, 'Invalid request. Please do not repeat this request again.');
    }

    /**
     * Manages all models.
     */
    public function actionIndex() {
        //check the support post type
        if(!isset($_GET['post_type']) || !$this->module->isAllowPostType($_GET['post_type'])){
            //redirect to default
            user()->setFlash('error', 'Post type was not support');
            $this->redirect(array('default/index'));
        }


        $model = new Post('search');
        $model->unsetAttributes();  // clear any default values
        $model->post_type = $_GET['post_type'];

        if (isset($_GET['Post'])){
            $model->attributes = $_GET['Post'];
        }

        $this->render('index', array(
            'model' => $model,
        ));
    }

    /**
     * Returns the data model based on the primary key given in the GET variable.
     * If the data model is not found, an HTTP exception will be raised.
     * @param integer the ID of the model to be loaded
     */
    public function loadModel($id) {
        $model = Post::model()->findByPk($id);
        if ($model === null)
            throw new CHttpException(404, 'The requested page does not exist.');
        return $model;
    }

    /**
     * Performs the AJAX validation.
     * @param CModel the model to be validated
     */
    protected function performAjaxValidation($model) {
        if (isset($_POST['ajax']) && $_POST['ajax'] === 'post-form') {
            echo CActiveForm::validate($model);
            Yii::app()->end();
        }
    }

}